Kennebunk Beach Surf Break

Lat Long: 43.34° N 70.51° W

Kennebunk Beach Surf Forecast and Surf Report

Issued: 7 pm 23 Aug 2026 (local time)

Forecast update in  hr  min

Today's Kennebunk Beach sea temperature is
18.5°C
0.5° 

Kennebunk Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Kennebunk Beach surf forecast from 24 Aug 2026:

  • Most powerful swell: Wednesday 26 Aug, 11PM (local time) - 3.5ft (1.0m), 9s period, SE swell with 155 kJ wave energy.

Best Forecast Surf Conditions for Kennebunk Beach this week:

The most powerful waves expected at Kennebunk Beach in the next 16 days are 1.0m 9s and forecast to arrive on Wednesday (Aug 26) at 11PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 6s period and expected on Tuesday (Aug 25) at 5AM.

Wave TypeTime (EDT) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful11PM (Wed 26th Aug)3.5ft (1.0m) 9s

Table - best surf conditions forecast for Kennebunk Beach over the next 16 days.


The Lowdown

Alright, Rusty here, and I’ll be straight with you – the next couple weeks at Kennebunk Beach are going to test your patience.

The overall pattern for the 16-day window starts flat and stays marginal for a long stretch. There’s nothing worth paddling out for from Monday, August 24th, all the way through to the start of September. That’s over a week of weak, short-period windswell in the knee-to-thigh high range, with mostly cross-onshore or choppy conditions. The combined swell energy barely gets into the triple digits early on (114 to 120), and that’s just not enough push to make it fun.

We finally see a change on the morning of Wednesday, September 2nd. The wind goes completely glassy (calm), and the swell bumps up to 0.9m (about 3 feet) from the southeast with a long period of 13 seconds. The combined energy jumps to 340 (moderate). The waves will be clean and glassy that morning – surfable but nothing to write home about. It’s a small groundswell, and since it’s a sheltered beach setup, the long period could make it a little straight, but it’s a welcome break from the flat spell.

The true standout is the morning of Thursday, September 3rd. That’s the one to circle on the calendar. We’ve got 1.4m (about 5 feet) of southeast swell with a very long period of 16 seconds, and the combined energy hits a strong 1658. The wind is glassy out of the northeast at just 5 km/h (about 3 mph). This is the best surf of the whole outlook – clean, solid chest-high waves, good energy, and the long period will produce proper lines. This is the day for experienced surfers to go early. Kennebunk Beach is a sheltered spot, so the long period groundswell should wrap in nicely. Crowds are sometimes an issue, and with a good swell like this, expect a few locals out.

After that, Thursday afternoon sees a bit more wind and some light rain, and the quality drops. Friday the 4th is back to smaller, weaker surf with cross-shore winds. The rest of the outlook fades into knee-to-ankle high mush through the second week, with the only real highlight already behind us.

Water temp at Kennebunk Beach is about average for late August / early September – no major anomaly, so no need to dig out the 5/4 just yet.

Bottom line: the first week is a write-off. Make plans for the morning of September 3rd – that’s your best shot for clean, legitimate waves.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 26°C on Mon afternoon, min 16°C on Mon night). Wind will be generally light.

Days 5-7 Weather Summary

Light rain (total 3mm), mostly falling on Thu night. Warm (max 25°C on Thu afternoon, min 18°C on Wed night). Wind will be generally light.

Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.3
SE
12
0.9
SE
7
1
SSE
6
1
SSE
6
0.7
SE
6
0.5
SE
7
0.7
SSE
6
0.6
ESE
9
0.7
SE
10
1
SE
8
0.9
SE
8
0.8
SE
9
1.1
S
5
0.6
SE
8
0.9
SSE
6
0.6
SE
8
0.9
SE
8
0.6
SE
8
0.6
SE
8
Wave Graph
Metric surfscale
Energy kJ
22
73
85
69
39
21
28
53
100
142
100
95
70
57
57
41
86
51
42
Wind (km/h)
5
SSW
20
SSW
20
S
10
W
15
SW
10
WSW
10
NNW
10
SSW
20
S
5
W
10
S
20
S
15
SSW
20
S
10
ESE
10
SW
5
NW
5
SSE
15
N
Wind State
glassy
cross-on
cross-on
cross-on
on
cross-on
cross-off
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-off
on
cross
cross-on
cross-off
High Tide
8:47PM2.61m
9:34AM2.30m
9:39PM2.69m
10:20AM2.39m
10:25PM2.76m
11:01AM2.49m
11:06PM2.84m
11:39AM2.58m
11:44PM2.89m
12:14PM2.68m
00:21AM2.92m
12:48PM2.77m
00:59AM2.92m
Low Tide
3:25AM0.38m
3:24PM0.56m
4:11AM0.30m
4:11PM0.47m
4:51AM0.22m
4:52PM0.38m
5:27AM0.14m
5:31PM0.29m
5:59AM0.07m
6:07PM0.20m
6:32AM0.03m
6:45PM0.12m
part cloud
clear
part cloud
part cloud
clear
part cloud
clear
clear
clear
clear
cloud
part cloud
rain showers
part cloud
clear
rain showers
clear
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:56
5:56
5:58
5:58
6:01
6:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:32
7:30
7:29
7:28
7:25
7:23
7:22
 mm
2
1
Temp °C
18
24
26
25
23
25
22
22
23
20
22
25
23
20
20
18
24
24
22
Feels °C
19
21
22
22
21
24
22
21
21
19
21
23
22
21
20
20
24
23
22
  • Map Icons:
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Kennebunk Beach Surf forecast

The above surf forecast table for Kennebunk Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Kennebunk Beach can be found by selecting the local surf guide option on the grey menu. Our Kennebunk Beach surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Kennebunk Beach) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Kennebunk Beach may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Kennebunk Beach is 17 km (11 miles) from Biddeford. If you plan a vacation in Maine, look for hotels and other accommodation in Biddeford. Biddeford has rooms for a wide range of budgets as well as car hire and transport links.

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